Laurens Bakker

Simon Fraser University

2012 年からアクティブ

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Professional Interests: Cellular Automata and Social Network Analysis

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How to Normalize variables?
Hi Matt, Normalisation just means: "change the numbers so that both range from 0 to 1". You can do that by subtracting the mi...

約13年前 | 0

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Calculating Hamming Distance?
Hi Alex, If you have the Statistics toolbox, you can use the pdist function. Cheers, Laurens

約13年前 | 0

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How to reduce the time?
Hi Shifat, the base MATLAB distribution has a function for this: P = dec2bin( fix(s) ); where fix() cuts off the frac...

約13年前 | 0

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parfor using
Hi Yildirim, There is considerable overhead in gathering the data back into a single variable. I removed the assignments and ...

約13年前 | 0

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Array of objects - speed issues
Hi Gabriel, I have had the same experience of MATLAB slowing down when using OO design, particularly with handles. I've never...

約13年前 | 0

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basic question on how to find mean distance between an interior point and all of the vertex points of the convex hull
Hi Andrew, If you have the Statistics toolbox, use the pdist function to compute the distance between a vector of points and ...

約13年前 | 0

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overlapped objects counting in matlab
Hi Faisal, I'm not sure if MATLAB is the right tool for this. Take a look at <http://boost-geometry.203548.n3.nabble.com/inte...

約13年前 | 0

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reordering a matrix
Hi Ramya, First, you re-order the known image according to the sorted order column by column: for i=1:size(avgtar,2) ...

約13年前 | 0

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Possible to come out with a adjacency matrix?
B is the an adjacency matrix.

約13年前 | 0

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Tab completion produces no filenames (Mac OS)
Hi Eric, There is no tab completion on strings because they are literals. MATLAB does not know that the string you are typing...

約13年前 | 0

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Addition of time series' values in array
Why not just use a for loop? sum = zeros( size(OBJECTS(1).PROP.Data ); for obj=OBJECTS sum = sum + obj.PROP.Data;...

約13年前 | 0

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Function handle invoking Java reports syntax error?
Hi Ahmed, anonymous functions are not allowed to store any data, and accessing a field of java.io.File(d) probably implicitly...

約13年前 | 0

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How can I find the coefficient of trasfer function in detail? (more than 4 unit)
Hy Hyetan, sys2 is an object that has fields num and den, for numerator and denominator, so sys2.num{:}(2) is the val...

約13年前 | 1

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about function argument
Yes you can. MATLAB is not a typed language, so you could write something like: function [outputs] = foo ( myNeuralNet, ot...

約13年前 | 0

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Minimizing the Maximum Value of an Array
This seems like a general constrained optimisation function. Since you have already formulated your objective function, you coul...

約13年前 | 0

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Calculate Service Area For Fire Station Bye use Shortest Path
Service areas by access times are usually calculated as voronoi diagrams (see the voronoi() function) or by a multi-source bread...

約13年前 | 0

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k-means clustering
MATLAB actually has a built-in clustering function called kmeans. Assuming you can reshape your data to match the format expecte...

約13年前 | 0

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JMI ?
Please consult <www.mathworks.com/products/javabuilder/> for details on converting matlab programmes to JAVA. JMI is not directl...

約13年前 | 0